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Lallart, Mickael
Institut National des Sciences Appliquées de Lyon
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023ON THE FUNCTIONALIZATION OF COMPOSITE STRUCTURES USING PIEZOELECTRIC TRANSDUCERS FOR TRANSPORTATION APPLICATIONS: VIBRATION CONTROL AND ENERGY HARVESTING
- 2022Characterization of Tensile Stress-Dependent Directional Magnetic Incremental Permeability in Iron-Cobalt Magnetic Sheet: Towards Internal Stress Estimation through Non-Destructive Testingcitations
- 2020A piezoelectric self-powered active interface for AC/DC power conversion improvement of electromagnetic energy harvestingcitations
- 2019Flexible PZT thin films prepared by Chemical Solution Deposition process
- 2019Flexible PZT thin films prepared by Chemical Solution Deposition process
- 2019AC/DC power conversion improvement of rotational electromagnetic energy harvesting using piezoelectric elements for active rectification
- 2012Modeling of thickness effect and polarization saturation in electrostrictive polymerscitations
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document
Flexible PZT thin films prepared by Chemical Solution Deposition process
Abstract
In the topic of the development of the market of flexible electronic, piezoelectric lead zirconate titanate (PZT) thin film have been elaborated using a Chemical Solution Deposition (CSD) process and a commercial aluminum (Al) foil as substrate. Despite of the low fusion temperature of Al, PZT thin films can be crystallized in the perovskite structure without pyrochlore phase at 650 °C. Due to the flexibility of the aluminium foil, very original forms have been obtained. Dielectric, ferroelectric and piezoelectric properties have been improved by the use of a conductive electrode of dioxide of ruthenium (RuO2), resulting in an Al/RuO2/PZT/Al capacitor. For energy harvesting applications, experiments have shown that the conductive oxide layer downgrade the harvested power because of the rise of the relative permittivity. However, the use of Interdigited Electrodes (IDE) structure instead of Metal-Insulate-Metal (MIM) structure allows to increase the harvested power up to 8 μW@4 Hz.